Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-chs.png)
如果在声明上存在固定值约束,则“<var>X</var>”属性引用上不能有默认值约束。
Unlocalized message![](/img/flags/en.png)
The default value constraint cannot be present on the '<var>X</var>' attribute reference if the fixed value constraint is present on the declaration.
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